Gettysburg National Military Park,Pennsylvania (USA)

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This is one of the cannon on display at the park headquarters. To get this shot, depending on the time of year, it is advisable to set your alarm for around 5 am local time.

When you get on site, it will be dark, so you'll have to set focus on your camera with a flashlight, then wait for the sun to start illuminating the sky. This shot was taken about 30 minutes before actual sunrise, as posted by the weather service.